Understanding Geometry Circles

Introduction:

• A Circle is a simple shape of Euclidean geometry consisting of those points in a plane which are equidistant from a given set point called the center. The common distance of the points of a circle from its center is called its radius.

• Circles are simple closed curves which divide the plane into two regions, an interior and an exterior. In everyday use, the term "circle" may be used interchangeably to refer to either the boundary of the figure (also known as the perimeter) or to the whole figure including its interior.

• In this article of geometry circles formulas of circumference are discussed.

Geometry Circle Formulas for Circumference:

The pictorial representation showing circumference of circle is given below:

The Circumference of a circle in geometry can be calculated using the following formulas using coordinate geometry:
1) Circumference = 2`pi` r
2) Circumference = `pi` d
where r ----> radius of circle
d ----> diameter of circle.

Hope you liked the above explanation. Please leave your comments, if you have any doubts.